Hoya CumingianaBotanical Name: Hoya Cumingiana Common Name(s): Paluki, Porcelain Flower, Wax Flower Description: Hoyas are evergreen perennial creepers or vines or rarely, shrubs. They often grow epiphytically on trees; some grow terrestrially, or occasionally in rocky areas. They climb by twining and with the employment of adventitious roots. Larger species grow 118 m (359 ft), or more, with suitable support in trees.